Hyundai Kona: ESP (Electronic Stability Program) System / ESP Control Unit Repair procedures

Hyundai Kona (OS) 2018-2021 Service Manual / Brake System / ESP (Electronic Stability Program) System / ESP Control Unit Repair procedures

Removal

1.	Turn the ignition switch OFF and then disconnect the negative (-) battery cable.

Separate the intercooler inlet hose (A) from the turbocharger and then remove the inter cooler inlet pipe (B). [Gasoline 1.6 T-GDI]

Tightening torque

Clamp : 4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft)

Mounting bolt : 18.6 - 23.5 N.m (1.9 - 2.4kgf.m, 13.7 - 17.4 lb-ft)

3.	Pull up the lock of the HECU connector and then disconnect the connector (A).

Separate the brake tubes from the HECU by unlocking the nuts (6-ea) couterclockwise using a spanner.

Tightening torque :

12.7 - 16.7 N.m (1.3 - 1.7 kgf.m, 9.4 - 12.3 lb-ft)

Tightening torque :

18.6 - 22.5 N.m (1.9 - 2.3 kgf.m, 13.7 - 16.6 lb-ft)

Loosen the ABS control module mounting nut (A) and then remove the ABS control module from the vehicle.

Tightening torque :

12.7 - 16.7 N.m (1.3 - 1.7 kgf.m, 9.4 - 12.3 lb-ft)

Separate the bracket (B) after remove the mounting bolt from the HECU (A).

•	Never attempt to disassemble the ABS.

•	The HECU must be transported and stored in.

•	Never shock to the ABS.

Installation

1.	To install, reverse the removal procedure.

2.	Tighten the HECU mounting bolts and nuts to the specified torque.

3.	After installation, bleed the brake system. (Refer to ESP(Electronic Stability Program) System - "ESP System Bleeding")

4.	Conduct the Variant coding.

5.	Conduct the Auto Detected Sensor Calibration.

6.	Conduct the Longitudinal G Sensor Calibration.

Adjustment

Diagnosis procedure by using diagnostic device

As manual for diagnosis methods by using diagnosis device, the main contents are as follows:

Connect self-diagnosis connector(16pins) located in the lower of driver side crash pad to self-diagnosis device, and then turn the self-diagnosis device after key is ON.

Select the "vehicle model" and "ABS/ESC" on GDS vehicle selection screen, then select OK.

[Variant Coding]

[Auto Detected Sensor Calibration]

[Longitudinal G Sensor Calibration]

ESP Control Unit Components and components location

Components 1. Front - right tube 2. Rear - left tube 3. Rear - right tube 4. Front - left tube 5. MC SEC 6. MC PRI 7. ESP control module (HECU) 8 ...

ESP OFF Switch Description and operation

Description 1. The ESP OFF switch is for the user to turn off the ESP system. 2. The ESP OFF lamp is on when ESP OFF switch is engaged. ...

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